My tasks as a sperm donor

So I decided that I would become a sperm donor. The first thing I did was to find out what a sperm donor had to bring along by reading the forum tips and many advertisements. Most women wanted academics between the ages of 30 and 50. Well, I was a bit older now, but felt much younger, so it should still fit with me. Furthermore, sperm donors had to be available at short notice when the women ovulated and thus became fertile. That was not a problem for me either. At my employer, I had flexible working hours, so in principle I could take time off at any time to inseminate a woman over several days and even several times a day. Furthermore, the sperm donor had to provide up-to-date health certificates and information about his ability to conceive, because as a natural sperm donor, which I had decided to do, I could be infected with STDs. I took it upon myself to demand a health certificate from the women in any case for my protection.

Through the Internet had also quickly found a practice that offered this service. In addition, I already knew this practice, I had been to this urologist before. I liked the fact that the practice was run by a woman. As a woman, she certainly had more understanding for the need of women for my future service. I called my former urologist and made an appointment for the following week. The receptionist told me on the phone that I should be sexually abstinent for exactly 3 days before the examination. I.e. I should in any case masturbate with ejaculation exactly 3 days before giving the sperm sample, so that only freshly formed sperm are available in the practice and thus provide a normalized result. The days passed and three days before I jerked off comfortably with a porn.

Then it was time. I showered thoroughly, put on light clothes that are easy to take off again, and drove to the practice. The practice was downtown, but had free customer parking. When I entered the practice, there was a pleasant atmosphere. The receptionists were young twenty-somethings and extremely attractive. Their white coats were cut wide so that I could look far into their cleavage, in which great tits showed.

As already mentioned, I knew Miss Dr. Wilhelm as my original urologist. I was surprised, however, when I discovered two receptionists whom I had not expected to see here. Both had previously worked elsewhere, one at my dentist, the other in a physiotherapy. They both seemed to have changed practices. I knew both of them from the sports club. Both recognized me and we greeted each other briefly.

One, Anja Schmidt, was rather the small but sporty type, very feminine and voluptuous with very round shapes and dark brown hair. The other, Silke Klös, was straw blond, her tits a little smaller but still above average and she was rather the slim athletic type. Silke I can already a little better, she had previously made the prophylaxis at my dentist, there we had also come closer.

Apparently the practice made generous appointments, because I only had to wait a short time for the patient in front of me to finish. Then the receptionist Silke came and called me into the treatment room with a wink. Behind the desk sat the very attractive Frau Doktor Wilhelm, in her mid-forties. In the corner I saw a gynecologist's chair with leg rests. Good, I thought, they also examine women. Ms. Wilhelm had half-length brunette hair, also an expansive bosom in a fancy costume with a short skirt and a white doctor's coat over it. After I sat down and Ms. Wilhelm asked me what I wanted, I explained that I wanted to become a sperm donor and therefore needed a health certificate and a spermiogram.

"No problem," said Mrs. Wilhelm. "Do you want to donate in a sperm bank or make a private donation?" she asked. "A private donation with natural method is what I have in mind," I replied. "Then we should do the prostitute program," Ms. Wilhelm then said, and I cringed. I didn't really see myself as a prostitute and told her so: "I want to donate sperm and not go on the street". "I didn't mean it that way either", she said placatingly, " but you wanted to offer a sex service for strange and changing women, didn't you"? "Yes," I said, befuddled. "Then the activity, whether you take money or not, is quite comparable to a callboy, except that you also impregnate the woman in the process". I thought about it and came to the conclusion that Mrs. Wilhelm was argumentatively right, even if I had not seen it that way before. After the first shock of this statement I could accept the thought. Then I was in the future a callboy in the side job, which impregnates women. Only that the normal callboy does not need a spermiogram. So I offered a special sex service. And to offer the women lust in addition to my sperm, I could well imagine. Secretly, I had to admit to myself that the thought of being a callboy did have an erotic touch.

Ms. Wilhelm said to me, "The examination includes a health check, a fertility check and a sexual performance check." The receptionist, Anja, came with a kit to draw blood and, after disinfecting the crook of my arm, took a vial of blood from me. Afterwards, she said to me, "Please undress completely." I did as instructed, even though I felt a little funny. It must have shown on my face, because Mrs. Wilhelm said, "You won't be ashamed in front of us, will you? First, we are only women here and you have decided to present yourself naked in front of many strange women soon. You should soon get used to it."

I complied, but felt a bit strange as the only naked one in the room. Anja looked a little appraisingly at my best piece, which hung limp and framed by my sagging testicles. Doctor Wilhelm came around the desk stood in front of me and looked at my cock appraisingly. "There we have the object of examination. But first check the general state of health," she said and took out her stethoscope and listened to me. Then I got an inflatable cuff around my arm and she measured my blood pressure. "Everything's okay," she said. "Let's check the heart. Uwe, come with me," Anja said. I was flabbergasted. "I can't walk around the practice naked," I protested. "You're the last patient today and we'll take plenty of time for you. No one will look away from you."

So I followed her naked, past the counter, from where Silke smiled smugly at me and looked at my privates, into another examination room where there was an EKG. Anja moved the cover paper to the right position on the couch and I had to lie on my back. Then she put the electrodes on me and let the measurement run. After about 10 minutes, she stopped the measurement and said to me, "Now please do 30 squats first and then 10 push-ups, so that your circulation really gets going." I started doing squats and with each up and down my cock and testicles swung up and down as well.

Anja had a visible pleasure in my performance and giggled loudly. Attracted by this, Silke came and stood next to her colleague. "I wonder if he can get stiff in the process?" Silke then said and pulled her already short skirt up. This revealed her lace-trimmed, semi-transparent thong. I could see her cleft between the bulge of her vulva through the lace. It was really an arousing sight, which did not miss its effect after three days of abstinence. In addition, Silke started rubbing her clit through her thong. In my cock, despite the knee bends, the blood shot, it became longer and began to lift. "Not bad, easy and fast excitability," Anja commented, making a note on the writing board. He didn't get stiffer than semi-stiff, though, as there wasn't really a sexual mood with the effort.

Silke noticed that too. When I finished the 30 squats, Anja called out, "Come over here before you do the push-ups and smell Silke's pussy." I thought I had misheard and didn't respond at first. "That's part of the test of sexual performance," Anja then said. Well, after all, you're a man with normal urges and it was medically ordered. So I came closer to Silke expectantly, lowered myself to my knees and looked up expectantly. "Now go ahead. Get your nose up to the slit and breathe in hard." I did as instructed and put my head between Silke's thighs, who stopped masturbating. Her thong was soaking wet in her slit. From Silke's vagina emanated a beguiling smell of femininity that triggered an immediate effect in my cock. He lifted up and became stiff as a board.

"There you go. Everything is fine. Healthy reaction from a potent, healthy man," Anja said. "We'll need that again right away at the milking machine". "At the milking machine?", I asked in amazement. "I'm not a woman after all and give milk". "No, but with you you can milk sperm instead", Anja replied. I imagined in my mind, the suction cone of a cow milking machine, in which my cock was sucked and it made me queasy. Anja laughed and said, "Don't worry, this is a special milking machine, specially designed for men. You'll feel like a hooker is giving you an intense blowjob. After all, you have to cum for the spermiogram today. And we're not going to miss out on that. There is nothing more stimulating than an ejaculating man. Especially when he cries out in rut."

These are examination methods here, I thought to myself, but with the pretty girls I couldn't be wrong. I replied, "But it doesn't work that way." "We have to watch if you want a medical report of your sexual performance. We also measure the timing and arousal progression of your semen delivery for the report. Your clients will want to know that." "Why?", I asked. "Well, with the natural method, your clients have sex with you. That's when they want to know beforehand what the man can do during sex. They want to know how fast you're ready to mate with a stiff cock, how many thrusts you need on the first semen delivery, and how many thrusts you need with a short time interval on the second semen delivery. Not that you'll go limp in the performance of your duty. Therefore, tonight we will test 3 semen deliveries under standardized conditions. Hence your ejaculation 3 days ago. You did perform those properly, didn't you?" "Yes, of course," I answer quickly. "Good," Anja said, "then we can continue the examination. Now do 15 push-ups. Five more because you took a little break".

I lay down on the floor and started doing push-ups with my back pressed through. I always went down so low until the tip of my dick touched the floor. Meanwhile, Anja explained further: "The milking machine will jerk your penis and count the back and forth movements you need until you finally cum. While it's doing that, it's going to show you porn. You can tell me beforehand some categories for porn that excite you the most, since the test, in addition to delivering semen for the spermiogram, also aims to test your speed. So get into a hot sexual mood during this test to orgasm and ejaculate as fast as possible. There are female clients who are more interested in your sperm than in your sex skills. But there are also many clients who want hot sex. If you want to have an indication of this in the examination report, then you must be abstinent for another three days after this examination and come to the practice for another ejaculation test. However, the aim of the test will be to stimulate you in the most sexual way and you will have to refrain from squirting as much as possible. This certificate of temporal values will interest your clients who want to have as much fun as possible with you before insemination."

I had finished the fifteen push-ups and replied, panting, "I'll do the second part too". After all, I also wanted to have a long fun with the women. After all, it was one of my motivations to become a sperm donor. "Good, then lie back on the couch and we'll continue". From the exertion, my dick had shrunk back to normal size, but from the exertion, my body temperature had skyrocketed so high that my body had made the skin of my scrotum all saggy, so that my testicles were hanging down really low between my legs. While Anja put the electrodes back on me and started the measurement, Silke went to a cabinet and pulled out a small scale that resembled a letter scale. "Now let's measure the sperm-filled testicle weight," Silke said, adding, "After each milking, we will measure again to determine how many sperm in grams you ejaculate at each ejaculation. We can't use the ejaculated ejaculate for this, because there are secretions of the seminal vesicles and the prostate added. But by the differences of the testicular measurements and the ejaculate weight, we can also determine the amount of admixture of these secretions."

Silke pushed the scale into my crotch, lifted the testicles a bit and put them on the scale. She read the value and noted 100 grams. "That makes, if you subtract the average scrotum weight, about 30 grams per testicle". There must be quite a bit in there," Silke lectured. "Let's see how much we can get out of it."

In the meantime, the ECG was completed and the electrodes were removed again. By now I had gotten used to being the only one naked. That's about how porn actors had to feel before their assignment. They, too, had to perform sexual acts in front of a lot of clothed people without being irritated by it. And that's exactly what I was facing now during the milking.

"Before we milk, Doctor Wilhelm has to examine your sexual organ first. Come with me again to the examination room." I followed her as instructed and we went back into the examination room. "Sit down on the examination chair and put your legs in the holding trays". "It's for women," I protested. "You can also examine men on it," Anja replied. So I sat down, spread my legs and put them in the trays. Doctor Wilhelm came around her desk, pulled up a stool and sat down in front of my privates. Doctor Wilhelm took my penis with her fingertips and felt it from top to bottom. Then she pulled back the foreskin, looked at the glans all around and also felt it. This treatment was not without consequences. Slowly blood flowed into my best piece and it became longer in her hands. I was glad that she was not a male doctor, because then I would have been even more ashamed. This way I could tell myself it was from the female touch. "Good sensitivity," Doctor Wilhelm promptly certified me and Anja made a note.

Then she opened a drawer, took out a finger cloth and slipped it over her index finger. After that, Frau Doktor Wilhelm opened a Vaseline can and greased her finger thickly. Next, I felt her finger circle my rosette and she spread the Vaseline. "Relax. I'm going to examine your prostate now." And already she was pushing her finger through my rosette, which at first offered resistance and then slowly gave way. Then she put her finger all the way into my bowels and pressed firmly against the bulge of my penis at my crotch. This was not without effect, especially because she was now making circular movements on my prostate. My penis stiffened completely and a clear fluid appeared at the opening. "The prostate is bulging," said Doctor Wilhelm. "We can look forward to a voluminous ejaculate there." She pulled her fingerling out of my ass, pulled off the fingerling and threw it into the wastebasket.