Does Sexual Intercourse Affect the Outcomes of Frozen-thawed Embryo Transfer?

Sponsor
Sheba Medical Center (Other)
Overall Status
Recruiting
CT.gov ID
NCT06134609
Collaborator
(none)
656
1
2
35.6
18.4

Study Details

Study Description

Brief Summary

The goal of this clinical trial is to test whether sexual intercourse the night after embryo transfer affects thawed embryo implantation rates. Women undergoing one of their first four frozen embryo transfers with a good quality embryo will be randomly assigned to two groups. The study group is subjected to have intercourse without using a condom at the evening/night after the embryo transfer, while the control group will abstain from intercourse for the next 48 hours after the transfer. Researchers will compare the ongoing pregnancy rates between the intervention group and the control group.

Condition or Disease Intervention/Treatment Phase
  • Behavioral: Sexual intercourse
N/A

Detailed Description

It is currently unclear whether sexual intercourse the night after embryo transfer, with or without semen ejaculation, is detrimental to thawed embryo implantation rates.

The following study is a prospective, randomized, clinical trial, including patients attending our university-affiliated Infertility and IVF center.

The goal of this clinical trial is to test whether coitus the night after embryo transfer affects thawed embryo implantation rates. At the day of the embryo transfer women (ages 18-41yrs) undergoing one of their first four frozen embryo transfers with a good quality embryo will be randomly assigned to two groups. The study group is subjected to have intercourse without using a condom at the evening/night after the embryo transfer, while the control group is subjected to abstain for the next 48 hours after the transfer.

The day after the embryo transfer an electronic questionnaire will be sent to the patients to confirm whether they had intercourse or not. The questionnaire will also address whether male ejaculation was performed intravaginally and whether female orgasm occurred.

12-14 days after the embryo transfer a BHCG serum test will be performed. For those patients with a negative BHCG test surveillance will be stopped. For those with a positive BCHG test a gynecologic US will be performed at week 6. After wards surveillance will cease for all participants. Researchers will compare the ongoing pregnancy rates between the intervention group and the control group.

Study Design

Study Type:
Interventional
Anticipated Enrollment :
656 participants
Allocation:
Randomized
Intervention Model:
Parallel Assignment
Intervention Model Description:
A prospective, randomized, clinical trial. Patients will be randomized into two groups (by concealed envelopes). The study group is subjected to have intercourse without using a condom at the evening/night after the embryo transfer, while the control group is subjected to abstain for the next 48 hours after the transfer.A prospective, randomized, clinical trial. Patients will be randomized into two groups (by concealed envelopes). The study group is subjected to have intercourse without using a condom at the evening/night after the embryo transfer, while the control group is subjected to abstain for the next 48 hours after the transfer.
Masking:
Single (Care Provider)
Primary Purpose:
Other
Official Title:
Does Sexual Intercourse Affect the Outcomes of Frozen-thawed Embryo Transfer? Randomized Controlled Trial
Actual Study Start Date :
Nov 13, 2023
Anticipated Primary Completion Date :
Nov 1, 2026
Anticipated Study Completion Date :
Nov 1, 2026

Arms and Interventions

Arm Intervention/Treatment
Experimental: Assigned to intercourse

The study group is subjected to perform intercourse without using a condom at the evening/night after the embryo transfer

Behavioral: Sexual intercourse
Sexual intercourse without barrier contraceptive at the evening/night after the embryo transfer

No Intervention: Assigned to abstain

The control group is assigned to abstain from coitus the next 48 hours after the embryo transfer.

Outcome Measures

Primary Outcome Measures

  1. Ongoing pregnancy rate [At 6 week of gestation (4 weeks after embryo transfer)]

    Ultrasound showing a fetus with a heartbeat

Secondary Outcome Measures

  1. Biochemical pregnancy rate [12-14 days after the embryo transfer]

    Positive BHCG blood test

  2. Clinical pregnancy rate [At 6 week of gestation (4 weeks after embryo transfer)]

    Ultrasound confirmation of an intrauterine gestational sac

Eligibility Criteria

Criteria

Ages Eligible for Study:
18 Years to 41 Years
Sexes Eligible for Study:
Female
Accepts Healthy Volunteers:
Yes
Inclusion Criteria:
  1. Women age 18-41yrs.

  2. BMI (body mass index) of 18-35 kg/m².

  3. Patients undergoing one of their first four frozen embryo transfers.

  4. Patients transferring a good quality embryo, either a cleavage stage embryo or a day 5 blastocyst.

Exclusion Criteria:
  1. Patients age above 42.

  2. Moderate or poor-quality embryos.

  3. Patients with hydrosalpinx or uterus malformations.

  4. Patients who are not able or are not interested in having vaginal intercourse (same sex couples for example).

  5. Couples undergoing preimplantation genetic diagnosis when natural cycle frozen embryo transfer is planned (as they are instructed to avoid intercourse).

Contacts and Locations

Locations

Site City State Country Postal Code
1 Sheba Medical Center Ramat Gan Israel

Sponsors and Collaborators

  • Sheba Medical Center

Investigators

None specified.

Study Documents (Full-Text)

None provided.

More Information

Publications

Responsible Party:
Dr. Dror Lifshitz, Principal Investigator, Sheba Medical Center
ClinicalTrials.gov Identifier:
NCT06134609
Other Study ID Numbers:
  • SMC-0653-23
First Posted:
Nov 18, 2023
Last Update Posted:
Nov 18, 2023
Last Verified:
Nov 1, 2023
Individual Participant Data (IPD) Sharing Statement:
No
Plan to Share IPD:
No
Studies a U.S. FDA-regulated Drug Product:
No
Studies a U.S. FDA-regulated Device Product:
No
Keywords provided by Dr. Dror Lifshitz, Principal Investigator, Sheba Medical Center

Study Results

No Results Posted as of Nov 18, 2023